Based on this graph, if you can measure the mass of a galaxy's central bulge, then you will also know the approximate

A) mass of the galaxy's supermassive black hole.
B) mass of the galaxy as a whole.
C) diameter of the galaxy.
D) diameter of the central bulge.


A) mass of the galaxy's supermassive black hole.

Physics & Space Science

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A rectangular stack of lead bricks measures 2 m by 3 m by 4 m. The mass density of lead is 11,340 kilograms per cubic meter. What is the total mass of the stack of lead?

Physics & Space Science

What approach for estimating the distance to a galaxy requires the measurement of a galaxy's rotation speed?

A. Type Ia supernova as standard candles B. the Tully-Fisher method C. Hubble's law D. Cepheid variables as standard candles

Physics & Space Science

Which of the following is usually burned up in Earth's atmosphere?

a. Asteroid b. Meteoroid c. Meteor d. Meteorite

Physics & Space Science

The product of gas pressure and volume for a given mass of gas is constant

A) if the temperature doesn't change. B) whether or not the temperature changes. C) never. D) none of the above

Physics & Space Science